Book Safes with Lock and Key EIOU Marilyn Monroe Security Diversion Hidden Book Safe 7.1 4.6 2.2 inches, Open book to reveal a secret storage compartment Perfect for home, office, school, travel, Rv's and boats Can keep Cash, cards, Coins and other things inside looks like a real book and will blend seamlessly into your bookshelf contains a metal safe with a key lock; Two keys included